diff --git a/fs/locks.c b/fs/locks.c
index 814c51d..fce6238 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1465,7 +1465,7 @@
 	case F_WRLCK:
 		return generic_add_lease(filp, arg, flp);
 	default:
-		BUG();
+		return -EINVAL;
 	}
 }
 EXPORT_SYMBOL(generic_setlease);